Thomson Reuters incident
Onesource Indirect Tax Enterprise Rest API outage in UAT(AMER/EMEA/OCI)
Thomson Reuters experienced a minor incident on May 8, 2026 affecting ONESOURCE Determination Enterprise Cloud (AWS AMER) and ONESOURCE Determination Enterprise Cloud (AWS EMEA) and 1 more component, lasting 3h 17m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 08, 2026, 01:58 AM UTC
We are currently experiencing an issue with the Tax calculation API feature with our Onesource Indirect Tax Enterprise service, which is temporarily unavailable.
- investigating May 08, 2026, 02:12 AM UTC
We want to keep you informed: as of May 07, 2026 at 19:33 CST, customers may be experiencing a complete outage with the Tax Calculation API feature in our OneSource Indirect Tax Enterprise service. The affected regions include UAT AMER, EMEA, and OCI. The good news is that our team has already identified the root cause and is actively working to restore full service as quickly as possible. We truly appreciate your patience and understanding during this time. Please continue to monitor this page for live updates, and we will keep you informed every step of the way.
- monitoring May 08, 2026, 04:15 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved May 08, 2026, 05:15 AM UTC
This incident has been resolved.